/*
 * Copyright (c) 2024, 2025, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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 */

package jdk.test.lib.jittester;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;

import jdk.test.lib.util.FileUtils;

/**
  * A temporary directory wrapper.
  * Makes sure that the directory gets deleted after usage.
  */
public class TempDir {
    public final Path path;

    /**
     * Creates a temporary directory with a given suffix.
     * The directory is deep deleted on VM shutdown using a ShutdownHook.
     */
    public TempDir(String suffix) {
        try {
            path = Files.createTempDirectory(suffix).toAbsolutePath();
            Runtime.getRuntime().addShutdownHook(new Thread(this::delete));
        } catch (IOException e) {
            throw new Error("Can't create a tmp dir for " + suffix, e);
        }
    }

    private void delete() {
        try {
            FileUtils.deleteFileTreeWithRetry(path);
        } catch (IOException exc) {
            throw new Error("Could not deep delete '" + path + "'", exc);
        }
    }
}
